YBF3 SERIES EXPLOSION PROOF THREE-PHASE ASYNCHRONOUS MOTOR FOR FANS HIGH EFFICIENCY EXPLOSION-PROOF THREE-PHASE ASYNCHRONOUS MOTOR YBF3 Jximffl jSffl TSESlJximiSS, YBF3 series explosion-proof three-phase asynchronous motor is suitable for driving fan equipment. This series of motors complies with GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures", GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type” e "", and meets the requirements of JB/T 7565.5-2015 "Technical Conditions for Explosion proof Three phase Asynchronous Motors Part 5: Explosion proof Three phase Asynchronous Motors forYBF3 Series Fans (Frame No. 63-355)". The explosion-proof mark Ex db I Mb for electric motors is applicable to coal mine environments containing methane and coal dust explosion hazards. YBX4 series high-efficiency explosion-proof three-phase asynchronous motor is suitable for driving general mechanical equipment and can be used for underground mining work. This series of motors complies with GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures", GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type" e "", and meets the requirements of JB/T 14517-2022 "Technical Specification forYBX4 Series High Efficiency Explosion proofThree phase Asynchronous Motors (Machine Base Number 63-355)". The explosion-proof mark Ex db I Mb for electric motors is applicable to coal mine environments containing methane and coal dust explosion hazards. / Technical Parameter / Technical Parameter Rated power Thermal classification Rated voltage Rated frequency Work duty Explosion proof grade Cooling method Thermal element Rated power Thermal classification Rated voltage Rated frequency Work duty mpm*R Ingress protection Explosion proof grade Cooling method Thermal element Energy Efficiency Index